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How many grams of sodium chloride per kilogram of water are present in a 2.7m aqueous solution?

Sagot :

Answer:

Write the equation for calculating molality: molality = moles(solute) ÷ mass(solvent in kg)

Identify the solute and solvent that make up the solution: solute = NaCl. ...

Calculate moles of solute: moles = mass ÷ molar mass mass = 5.0 g (given in question)

Explanation: